Home / 56,260.69-77,613.31-40,131.56

Finding the Fourth Proportional to 56,260.69, 77,613.31 and 40,131.56

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Solution

The fourth proportional to 56,260.69, 77,613.31 and 40,131.56 is: 55,362.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,260.69 : 77,613.31 = 40,131.56 : x
  2. Step 2: Convert to fraction form
    56,260.69/77,613.31 = 40,131.56/x
  3. Step 3: Cross multiply
    56,260.69x = 77,613.31 × 40,131.56
  4. Step 4: Simplify right side
    56,260.69x = 3,114,743,207.06
  5. Step 5: Solve for x
    x = 3,114,743,207.06/56,260.69
  6. Step 6: Final answer
    x = 55,362.69

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.